Skip to main content

VERSATILE. SCALABLE. SIMPLE.

  • We Meet Your Specification
  • Talk to a Degreed Engineer in Minutes not Days.
  • Quote in Minutes not Days.
  • Request CAD Drawings-Get in Hours not Days.
  • Made in Pennsylvania, USA

Stainless Steel Linear Rail Actuator MSS-R20

The MSS-R20 is a heavy-duty rail actuator designed for high-precision linear motion in industrial automation systems. Featuring a rigid steel rail and belt-driven carriage, it delivers stable, accurate travel over long distances and high speeds. The actuator supports flexible motor and gearbox mounting options for seamless integration into complex assemblies. Built with durable materials and low-maintenance components, the MSS-R20 offers consistent performance and structural reliability in demanding environments.

  • IP69K rated.
  • Sealed FDA belt.
  • User defined Strokes.
  • Mounting flexibility in any orientation.
  • Stainless Steel I-beam design.
  • Wrap Around
  • One piece machined and stress proof SS shafted pulley.
  • Zero backlash belt to pulley design

Product Notes

Each actuator can be supplied with T-slot sensors, gearboxes, or motor mounting adaptors upon request. For travel requirements exceeding standard values, contact Macron Dynamics for assistance.

Specifications

These are standard specifications, if you need a custom configuration, please use our custom configuration request form.

Specifications
Motion Horizontal, Vertical
Max Speed - Horizontal[Vertical] - mm/sec 3000[3000]
Max Load - Horizontal[Vertical] - lbs 500[250]
Repeatability - mm +/- 0.025
Moment Load - in-lbs[Nm] 2200[248]
Positional Accuracy - mm/meter +/- 0.4
Acceleration Max - Gs 5
Recommended Belt Running Load - lbf[N] 400[1780]
Cart Guide Linear bearing with profile rail
Weight
System Weight - kg (Travel in meters x 32.79) + 10.02
Motor Sizing Information
Weight of Cart - lbs[kgs] 11.3979[5.17]
Weight of Belt - kgs based on travel selected ((Travel In Meters x 2)+1.74) x .12
Travel per Revolution - mm 150mm
Pulley Pitch Diameter - mm 47.75
Pulley Material / Width - mm Stainless Steel / 28.9
Breakaway Torque - oz-in 26-28
Coefficient of Friction 0.1
Travels (25mm increment)
Standard Travels - min to max 150 to 5650

Configure a Standard Model Stainless Steel Linear Rail Actuator MSS-R20

Enter your configuration options to submit a Request for a Quote or a CAD drawing:

Shaft Type

Drive Shaft Location

Normal Drive shaft diagram

Travels (in 25mm increments)

Please Give Me Options For:

Part Number As Configured

MSS-R20-0-00-x0x-x

Gearbox: None
Motor Mount: None

User Guides

Gearbox Installation graphic
Gearbox Install

Download

User Guide Maintenance

Download

Videos

Accessories

Item # 399-25, Tensioning Tool – 12mm & 25mm Belts

Item # 397, Torque Wrench 25-250 lbs-in

×

Macron Dynamics is Tariff-Free

And That Means More Good News for You!

We've got some fantastic news to share — We are not affected by the recent tariffs.

As a proud USA-based company where all our Engineering, Manufacturing and Application Support is located in Croydon, PA.

We're thrilled to let you know:

  • No price increases
  • Consistently fast delivery times (better than industry standards)
  • Fully stocked components to build your system

Whether you're a longtime customer (thank you for your continued support!) or someone we haven't worked with yet — we'd love to connect and show you what sets us apart.

Let's grow together — tariff-free and stress-free.